135399280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 326541600

約数和(自身を除く): 191142320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 149, 185, 296, 298, 307, 370, 592, 596, 614, 740, 745, 1192, 1228, 1480, 1490, 1535, 2384, 2456, 2960, 2980, 3070, 4912, 5513, 5960, 6140, 11026, 11359, 11920, 12280, 22052, 22718, 24560, 27565, 44104, 45436, 45743, 55130, 56795, 88208, 90872, 91486, 110260, 113590, 181744, 182972, 220520, 227180, 228715, 365944, 441040, 454360, 457430, 731888, 908720, 914860, 1692491, 1829720, 3384982, 3659440, 6769964, 8462455, 13539928, 16924910, 27079856, 33849820, 67699640, 135399280]

約数ペア:

[(1, 135399280), (2, 67699640), (4, 33849820), (5, 27079856), (8, 16924910), (10, 13539928), (16, 8462455), (20, 6769964), (37, 3659440), (40, 3384982), (74, 1829720), (80, 1692491), (148, 914860), (149, 908720), (185, 731888), (296, 457430), (298, 454360), (307, 441040), (370, 365944), (592, 228715), (596, 227180), (614, 220520), (740, 182972), (745, 181744), (1192, 113590), (1228, 110260), (1480, 91486), (1490, 90872), (1535, 88208), (2384, 56795), (2456, 55130), (2960, 45743), (2980, 45436), (3070, 44104), (4912, 27565), (5513, 24560), (5960, 22718), (6140, 22052), (11026, 12280), (11359, 11920)]